B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
500,000
500,000 -- complaint count for National Do Not Call Registry (Imposters category) (FY2021)
Imposter scam complaints to the National Do Not Call Registry peaked at nearly 500,000 in FY 2021.
- Stated as an approximate peak value ('nearly 500,000')
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
500,000
Unit
Count
Data Vintage
FY2021
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
35
Freshness
95
Source
Federal Trade Commission
Primary
Tier A
https://www.numberverifier.com/post/dnc-registry-data-book-reveals-key-trends-for-2025 ↗
Source Article
DNC Registry Data Book Reveals Key Trends for 2025
April 23, 2026
Explore the latest insights from the FTC's National DNC Registry Data Book for 2025. Despite a significant drop in complaints since 2021, robocalls still dominate. Learn about emerging threats, trends, and regional shifts in telemarketing strategies.
The Federal Trade Commission (FTC)…
Original Research
Federal Trade Commission
· Original study ↗
Methodology
FTC DNC Registry Data Book; approximate peak value
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
National Do Not Call Registry (Imposters category): 500,000 complaint count. Source: Federal Trade Commission (FY2021). Via Lighthouse Intelligence -- https://lighthousedata.io/data/imposter-complaints-peak-2021
HTML Embed
<blockquote cite="https://lighthousedata.io/data/imposter-complaints-peak-2021" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>500,000</strong> -- complaint count for National Do Not Call Registry (Imposters category)<br><small>Source: Federal Trade Commission (FY2021) · <a href="https://lighthousedata.io/data/imposter-complaints-peak-2021" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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